daydayup=1.0
daydayfactor=0.01
for i in range(365):
    if i %7 in[6,0]:
        daydayup=daydayup*(1-daydayfactor)
    else:
        daydayup=daydayup*(1+daydayfactor)
    print("daydayup:{:.2f}".format(daydayup))
